Welcome to the Orthodox Church

An Introduction to the Orthodox Worship Space

Join Frederica Mathewes-Green, in this video series, on a journey into the Eastern Orthodox Church. Learn about Orthodox teachings and dogma, Orthodox architecture and terminology, and what it means to live an Orthodox life. In this first video, Frederica introduces the basics of of the Orthodox worship space—the altar, the iconostasis, and iconography—in order to help […]

Animated Videos

55 Maxims for Christian Living

Memory eternal, Fr. Thomas Hopko! Below are the 55 Maxims in written form: 1. Be always with Christ. 2. Pray as you can, not as you want. 3. Have a keepable rule of prayer that you do by discipline. 4. Say the Lord’s Prayer several times a day. 5. Have a short prayer that you […]

Video Channels

Video Channels are designed to easily navigate the variety of videos on Theoria.tv – you can subscribe to your favorite contributors, including  Fr. Andrew Stephen Damick, Fr. Patrick Henry Reardon, and Frederica Mathewes-Green and many more. Once you subscribe to a channel, find your customized video watch list under “My Subscriptions.

Featured Videos

Latest Videos

Where did the Bible come from?

Most Christians take the Bible as a given. But where did the Bible come from? Answering this question is more difficult than you may think. Fr. Andrew Stephen Damick explains. [Full original script follows. Includes some lines that got edited for length. Copyright 2017-18 by Fr. Andrew Stephen Damick.] Most Christians take the Bible as […]

Liturgics Lessons

Lesson 6: Daily Matins

St. Tikhon’s Monastery presents the sixth in a series of twelve lessons on Liturgics for Readers and Choir Directors in the Orthodox Christian tradition. Because Matins is both longer and more complex than Vespers, we will take two videos to discuss it. We’ll begin in this lesson with Daily Matins, and this will provide us […]

Fr. Andrew Damick

Where did the Bible come from?

Most Christians take the Bible as a given. But where did the Bible come from? Answering this question is more difficult than you may think. Fr. Andrew Stephen Damick explains. [Full original script follows. Includes some lines that got edited for length. Copyright 2017-18 by Fr. Andrew Stephen Damick.] Most Christians take the Bible as […]